CN112617683A

CN112617683A - Charging seat and cleaning system

Info

Publication number: CN112617683A
Application number: CN202011554644.7A
Authority: CN
Inventors: 林达浩; 武朝阳; 林海利; 王超; 余丛; 刘旭阳
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-04-09

Abstract

The invention relates to a charging seat and a cleaning system, wherein the cleaning system comprises: the charging seat comprises a charging seat main body and a charging electrode arranged on the charging seat main body; the cleaning device comprises a main body and a floor mopping assembly arranged on the main body, and is constructed to move along a first direction relative to the charging seat and be matched and connected with the charging seat; when the cleaning device is matched and connected with the charging seat, the main body is supported on the charging seat main body and is electrically connected with the charging electrode, and at least part of the mopping component is suspended outside the charging seat in the first direction. When the cleaning equipment is charged through the charging seat, the floor mopping assembly on the cleaning equipment is separated from the suspended arrangement of the cleaned surface under the support of the charging seat, so that the surface of an object is prevented from being corroded due to the fact that the surface of the object is contacted with the wet floor mopping assembly for a long time, and the use experience of the cleaning system is improved. Compare in the scheme that increases waterproof pad in mopping subassembly below among the prior art, the charging seat of this application need not additionally to dispose waterproof pad to be favorable to the miniaturized development of charging seat.

Description

Charging seat and cleaning system

Technical Field

The invention relates to the technical field of intelligent electrical appliances, in particular to a charging seat and a cleaning system.

Background

With the progress of science and technology and the development of society, cleaning equipment such as a floor sweeping robot, a floor mopping robot or a mopping and sweeping integrated robot for cleaning indoor floors gradually enter the lives of people. The cleaning equipment can automatically detect factors such as room size, furniture placement and ground cleanliness, and a reasonable cleaning route is formulated by means of a built-in program to clean the ground, so that the cleaning equipment is popular with people, is more and more widely applied to the life of people, obviously reduces the burden of people, and brings great convenience to the life of people. In order to charge the cleaning device, the existing cleaning device is usually matched with a charging seat, the charging seat is connected with a socket through a power cord, and after cleaning of the cleaning device is completed, the cleaning device can automatically move towards the charging seat until the cleaning device is electrically connected with the charging seat, so that electric energy can be obtained from the charging seat.

Currently, a mopping robot or a mopping and sweeping integrated robot is generally provided with a mopping assembly in order to realize the mopping function. The mopping assembly comprises a water tank and a mop module connected with the water tank, wherein the water tank can supply water to the mop module so that the mop module can be always kept in a wet state, and therefore, stains on the surface of an object can be effectively removed.

However, in the process of charging the cleaning device with the mop assembly in a stationary state when the cleaning device is connected with the charging seat, the wet mop module contacts the surface of the object for a long time, which easily causes the surface of the object to be corroded by water, thereby bringing unnecessary troubles to users and affecting the use experience of the cleaning system.

Disclosure of Invention

The invention provides a charging seat and a cleaning system aiming at the problem that the wet mopping assembly corrodes the surface of an object in the charging process, and the charging seat and the cleaning system can achieve the technical effect of preventing the wet mopping assembly from corroding the surface of the object.

The present application provides a cleaning system comprising:

the charging seat comprises a charging seat main body and a charging electrode arranged on the charging seat main body; and

the cleaning device comprises a main body and a floor mopping assembly arranged on the main body, and is configured to move along a first direction relative to the charging seat and be matched and connected with the charging seat;

when the cleaning device is connected to the charging seat, the main body is supported by the charging seat main body and electrically connected to the charging electrode, and at least part of the mopping assembly is suspended outside the charging seat in the first direction.

In one embodiment, when the cleaning device is coupled to the charging seat, the main body is tilted with respect to the first direction, and a height of an end of the main body, where the mopping assembly is disposed, is higher than a height of an end of the main body, where the end is far away from the mopping assembly.

In one embodiment, the charging cradle body comprises:

the charging electrode is arranged on the base; and

the auxiliary base is arranged on one side of the base in the first direction;

when the cleaning equipment is connected with the charging seat in a matching mode, the main machine body is supported on the auxiliary base, part of the main machine body is located above the base and contacts the charging electrode, and at least part of the mopping component is located outside one side, far away from the base, of the auxiliary base in a suspending mode in the first direction.

In one embodiment, the auxiliary base comprises a fixing surface and a bearing surface which are arranged oppositely, and the bearing surface comprises a first bearing surface and a second bearing surface which are adjacent to each other in the first direction; in the direction from the base to the auxiliary base, the distance between the first bearing surface and the fixed surface is gradually increased, and the distance between the second bearing surface and the fixed surface is gradually decreased;

when the cleaning device is connected to the charging seat in a matching mode, the main body is supported on the first bearing surface.

In one embodiment, the charging seat body further includes a stopper for stopping the cleaning device from moving toward the base.

In one embodiment, the position-limiting member is disposed on the first supporting surface in a protruding manner.

In one embodiment, the main body comprises a traveling wheel, and when the cleaning device is coupled to the charging seat, the traveling wheel is located on a side of the limiting member away from the base and abuts against the limiting member in the first direction.

In one embodiment, the cleaning apparatus is a mopping robot or a sweeping and mopping integrated robot.

The application still provides a charging seat for join in marriage with cleaning device and connect, the charging seat includes the charging seat main part and locates the charging electrode of charging seat main part, the charging seat main part includes:

the charging electrode is arranged on the base;

the auxiliary base is arranged on one side of the base in the first direction; the auxiliary base comprises a fixing surface and a bearing surface which are arranged oppositely, and the bearing surface comprises a first bearing surface and a second bearing surface which are adjacent to each other in the first direction; in the direction from the base to the auxiliary base, the distance between the first bearing surface and the fixed surface is gradually increased, and the distance between the second bearing surface and the fixed surface is gradually decreased.

In one embodiment, the base further includes a limiting member disposed on the first supporting surface in a protruding manner.

In one embodiment, the number of the limiting members is two, and the two limiting members are arranged at intervals in a direction perpendicular to the first direction.

Above-mentioned cleaning device, when cleaning device charges through the charging seat, the subassembly that drags the ground on the cleaning device breaks away from under the support of charging seat by the unsettled setting of clean surface, has consequently avoided the long-time moist subassembly that drags the ground of contact of object surface to corrode, has improved clean system's use and has experienced. Moreover, compare in the scheme that increases waterproof pad in mopping subassembly below among the prior art, the charging seat of this application need not additionally to dispose waterproof pad, and can not lead to the volume of charging seat to show the increase to be favorable to the miniaturized development of charging seat.

Drawings

FIG. 1 is a schematic diagram of a cleaning system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a charging seat of the cleaning system shown in fig. 1.

The reference numbers illustrate:

100. cleaning the system; 20. cleaning equipment; 21. a main body; 23. a traveling wheel; 25. a mopping assembly; 40. a charging seat; 41. a base; 43. a side seat; 45. an auxiliary base; 452. a bearing surface; 4521. a first bearing surface; 4523. a second bearing surface; 454. a limiting member; 47. and a charging electrode.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Fig. 1 shows a schematic structural diagram of a cleaning system 100 according to an embodiment of the present invention, and fig. 2 shows a schematic structural diagram of a charging stand 40 of the cleaning system 100 according to an embodiment of the present invention.

As shown in fig. 1 and 2, a cleaning system 100 according to an embodiment of the present invention is provided, the cleaning system 100 is used for cleaning a surface of an object to be cleaned, such as a floor. Cleaning system 100 includes cleaning device 20 and charging dock 40, cleaning device 20 being configured to be movable relative to charging dock 40 and selectively mate with charging dock 40, charging dock 40 being stationarily disposed on the surface of the object for charging cleaning device 20.

When the cleaning device 20 is in a standby state or a power-off state, the cleaning device 20 is connected to the charging stand 40, and the charging stand 40 charges the cleaning device 20. When the cleaning device 20 starts the cleaning operation, the cleaning device 20 leaves the charging stand 40 and then moves along a certain path to clean the surface of the object. When cleaning device 20 completes the cleaning operation, cleaning device 20 moves toward charging dock 40 until it is re-mated with charging dock 40.

The structure of the charging stand 40 in the present application will be described below by taking the cleaning device 20 as an example of a sweeping and mopping integrated robot. The present embodiment is described as an example, and the technical scope of the present application is not limited thereto. It is understood that in other embodiments, the cleaning device 20 may also be embodied as other devices, such as a floor mopping robot, and the like, without limitation.

With continued reference to fig. 1 and 2, the cleaning device 20 includes a main body 21, and the main body 21 includes a main housing, a walking assembly, a dust collecting assembly and a power supply assembly (not shown) mounted on the main housing. The walking assembly comprises a driving mechanism and two walking wheels 23 matched and connected with the driving mechanism, each walking wheel 23 partially protrudes out of the bottom of the main body 21, and the two walking wheels 23 are driven by the driving mechanism to rotate so as to drive the cleaning equipment 20 to move on the surface of an object. The dust collection assembly is used for adsorbing dust and sundries on the surface of an object, and the power supply assembly is used for providing working electric energy for the walking assembly and the dust collection module. It will be appreciated that the particular configuration of the cleaning device 20 is not limited and may be arranged as desired.

Further, the cleaning device 20 also includes a mopping assembly 25 for cleaning stains from the surface of the object. The mop assembly 25 is installed at the main body 21 and protrudes out of the bottom of the main body 21, the mop assembly 25 includes a water tank and a mop module installed at the water tank, and the mop module includes a mop installation member and a mop body installed at the mop installation member. During operation of the cleaning device 25, the water tank constantly supplies water to the mop module to keep the mop body in a wet state, so that a good cleaning effect can be achieved.

In the following embodiments, when the cleaning device 20 moves relative to the charging stand 40 in a first direction to mate with the charging stand 40, the dust suction assembly is positioned in front of the road wheels 23 and the floor mopping assembly 25 is positioned behind the road wheels 23 in the forward direction of the cleaning device 20.

As described in the background section, the inventors have discovered during their research that the mop body of the mop module in the mop assembly 25 remains wet as the cleaning device 20 is mated to the charging dock 40 immediately after the cleaning operation is completed. If the surface of the object on which the charging stand 40 is placed is a surface made of a non-waterproof material such as a solid wood floor, the long-term contact between the wet mop body and the surface of the object may cause the surface of the object to be corroded by water. Meanwhile, the mop body is always contacted with the surface to be cleaned and is not easy to dry, so that bacteria are easy to breed on the mop body.

Based on the above problem, the charging base 40 includes a charging base body and a charging electrode 47 disposed on the charging base body, when the cleaning device 20 is connected to the charging base 40, the main body 21 is supported on the charging base body and electrically connected to the charging electrode 47, and at least a portion of the mopping assembly 25 is suspended outside the charging base 40 in the first direction.

Thus, when the cleaning device 20 is charged by the charging stand 40, the mopping assembly 25 on the cleaning device 20 is separated from the suspended arrangement of the cleaned surface under the support of the charging stand 40, so that the cleaned surface is prevented from being corroded due to long-time contact with the wet mopping assembly 25, and the use experience of the cleaning system 100 is improved. Moreover, compare in the scheme that increases waterproof pad in mopping subassembly 25 below among the prior art, the charging seat 40 of this application need not additionally to dispose waterproof pad, and can not lead to charging seat 40's volume to show the increase to be favorable to charging seat 40's miniaturized development.

Specifically, the charging stand main body includes a base 41, side stands 43, and an auxiliary base 45. In some embodiments, the base 41, the side seats 43 and the auxiliary base 45 are integrally formed to form a single body, in other embodiments, the auxiliary base 45 is detachably connected to the base 41, and the user can selectively install the auxiliary base 45 as desired.

The base 41 has a flat structure, the width direction of the base 41 extends along a first direction (i.e., the X direction in fig. 2), the length direction of the base 41 is a second direction (i.e., the Y direction in fig. 2), and the height direction of the base 41 is a third direction (i.e., the Z direction in fig. 2). The base 41 is supported on the surface to be cleaned, and the charging electrode 47 is disposed on a side surface of the base 41 away from the surface to be cleaned along the third direction. Specifically, in one embodiment, the charging stand 40 includes two charging electrodes 47, and the two charging electrodes 47 are disposed at intervals in the second direction. It is to be understood that the shape of the base 41 is not limited thereto, and the position of the charging electrode 47 may be set as desired.

The side seat 43 is disposed on one side of the base 41 in the first direction and extends away from the base 41 in a third direction away from the surface to be cleaned. One side of the side seat 43, which is away from the base 41, is provided with a power line interface, so as to be electrically connected with a power supply structure such as a socket through a power line. It will be appreciated that the particular configuration of the side seats 43 is not limited and may be arranged as desired to meet different requirements.

The sub-base 45 is provided on a side of the base 41 that is away from the side seat 43 in the first direction. When the cleaning device 20 is coupled to the charging stand 40, the main body 21 is supported on the subsidiary base 45 in the third direction by the two traveling wheels 23. A portion of the main body 21 located at one side of the two traveling wheels 23 in the first direction is located above the base 41 and contacts the charging electrode 47, thereby enabling power transmission from the charging stand 40 to the cleaning device 20; at least part of the mopping assembly 25 positioned at the other side of the walking wheel 23 in the first direction is suspended at one side of the auxiliary base 45 away from the base 41 in the first direction.

In this manner, the cleaning device 20 is suspended over the surface to be cleaned with a gap from the surface to be cleaned while being electrically connected to the charging electrode 47 on the base 41, thereby preventing the surface of the object from being corroded by contact with the wetted mopping assembly 25. Moreover, since the sub-base 45 does not extend below the mopping assembly 25, a substantial increase in the floor area of the charging stand 40 is avoided.

Specifically, in one embodiment, the sub-base 45 has a rectangular cross-section and is flat, the width direction of the sub-base 45 extends along a first direction, the length direction of the sub-base 45 extends along a second direction, and the height direction of the sub-base 45 extends along a third direction.

The sub-mount 45 includes a fixing surface and a bearing surface 452 oppositely disposed in the third direction. The fixing surface extends along a plane perpendicular to the third direction to contact with the surface to be cleaned, the supporting surface 452 includes a first supporting surface 4521 and a second supporting surface 4523 adjacent to each other in the first direction, and both the first supporting surface 4521 and the second supporting surface 4523 extend obliquely in the first direction. Specifically, in a direction pointing from the base 41 to the sub-base 45, a distance of the first bearing surface 4521 from the fixing surface gradually increases, a distance of the second bearing surface 4523 from the fixing surface gradually decreases, and a length of the first bearing surface 4521 in the first direction is greater than a length of the second bearing surface 4523 in the first direction.

When the cleaning device 20 is coupled to the charging stand 40, the main body 21 is supported on the first supporting surface 4521 through the traveling wheels 23, and the small orthographic projection of the mopping assembly 25 on the auxiliary base 45 along the first direction is located on the second supporting surface 4523. It is understood that in other embodiments, the orthographic projection of the mopping assembly 25 on the sub-base 45 along the first direction may be entirely outside the second bearing surface 4523, thereby minimizing the length of the sub-base 45 in the first direction.

Thus, in the moving direction of the cleaning device 20 and the charging seat 40, the second supporting surface 4523 gradually inclines upward to form an upward slope, and the first supporting surface 4521 gradually inclines downward to form a downward slope. In the process that the traveling wheel 23 of the cleaning device 20 travels along the second supporting surface 4523 to the first supporting surface 4521, the second supporting surface 4523 plays a good role in guiding and engaging, so that the cleaning device 20 can smoothly travel from the surface to be cleaned to the first supporting surface 4521. When the cleaning device 20 is supported on the first supporting surface 4521 through the traveling wheels 23, the second supporting surface 4523 inclined toward the base 41 can prevent the cleaning device 20 from sliding away from the base 41.

It is understood that the shape of the sub-base 45 is not limited, and the lengths and the inclination angles of the first bearing surface 4521 and the second bearing surface 4523 in the first direction can be set as required to meet the requirements of cleaning devices 20 with different shapes.

Referring to fig. 1 and fig. 2, in some embodiments, the charging stand body further includes a stopper 454, and the stopper 454 is used for preventing the main body 21 from moving toward the base 41, so that the main body 21 is accurately aligned with the charging electrode 47.

Specifically, there are two limiting members 454, the two limiting members 454 are disposed at intervals in the second direction, and the distance between the two limiting members 454 in the second direction is the same as the distance between the two traveling wheels 23 of the cleaning apparatus 20 in the second direction. Each limiting member 454 is a block-shaped structure, each limiting member 454 is disposed on the first bearing surface 4521 of the auxiliary base 45 in a protruding manner, and the height of the limiting member 454 in the third direction is not higher than the height of the traveling wheel 23 protruding out of the bottom of the main body 21.

Thus, when the cleaning device 20 is coupled to the charging seat 40, the traveling wheel 23 is located at a side of the limiting member 454 far from the base 41 and abuts against the limiting member 454 in the first direction, so as to prevent the traveling wheel 23 from moving to the side seat 43 along the first bearing surface 452 disposed obliquely and being dislocated from the charging electrode 47. Therefore, the first supporting surface 452 and the limiting member 454 define the accurate position of the cleaning device 20 on the charging stand 40, so as to ensure the connection reliability between the cleaning device 20 and the charging electrode 47.

It is understood that the shape, number and position of the position-limiting elements 454 are not limited, and can be set as required to meet different requirements.

In some embodiments, when the cleaning device 20 is coupled to the charging stand 40, the main body 21 is disposed at an angle with respect to the first direction (i.e., the central axis of the main body 21 is inclined with respect to the horizontal direction rather than vertical), and the end of the main body 21 where the mopping assembly 25 is disposed is higher than the end of the main body 21 away from the mopping assembly 25, so as to ensure that the mopping assembly 25 has a certain gap with the ground while further reducing the height of the auxiliary base 45.

It is understood that in other embodiments, the main body 21 is disposed in parallel along the first direction, i.e., the central axis of the main body 21 is perpendicular to the horizontal direction.

The charging stand 40 and the cleaning system 100 are configured to suspend the mopping assembly 25 of the cleaning device 20 in the air during the charging process on the surface to be cleaned by the auxiliary base 45, so as to prevent the surface to be cleaned from being corroded due to long-term contact with the wet mopping assembly 25. Compared with the prior art, the use experience of the cleaning system 100 is effectively improved under the condition that a waterproof pad does not need to be additionally assembled by a user. Moreover, since the auxiliary base 45 does not extend to the lower portion of the mopping assembly 25, the floor space of the charging stand 40 is prevented from being greatly increased, which is beneficial to the miniaturization of the charging stand 40.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A cleaning system, characterized in that the cleaning system comprises:

the charging seat comprises a charging seat main body and a charging electrode (47) arranged on the charging seat main body; and

a cleaning device (20) comprising a main body (21) and a floor-mopping assembly (25) arranged on the main body (21), wherein the cleaning device (20) can move along a first direction relative to the charging seat and is matched and connected with the charging seat;

when the cleaning device (20) is connected to the charging seat, the main body (21) is supported by the charging seat main body and electrically connected to the charging electrode (47), and at least part of the mopping assembly (25) is suspended outside the charging seat in the first direction.

2. The cleaning system of claim 1, wherein when the cleaning device (20) is coupled to the charging dock, the main body (21) is tilted with respect to the first direction, and an end of the main body (21) at which the floor mopping assembly (25) is disposed has a height greater than a height of an end of the main body (21) away from the floor mopping assembly (25).

3. The cleaning system of claim 1, wherein the charging stand body comprises:

a base (41), wherein the charging electrode (47) is arranged on the base (41); and

an auxiliary base (45) provided on one side of the base (41) in the first direction;

when the cleaning device (20) is connected to the charging seat, the main body (21) is supported by the auxiliary base (45), part of the main body (21) is located above the base (41) and contacts the charging electrode (47), and at least part of the mopping component (25) is suspended in the first direction and located outside one side of the auxiliary base (45) far away from the base (41).

4. The cleaning system of claim 3, wherein the sub-base (45) includes oppositely disposed securing and bearing surfaces (452), the bearing surface (452) including first and second bearing surfaces (4521, 4523) adjacent in the first direction; in the direction from the base (41) to the auxiliary base (45), the distance between the first bearing surface (4521) and the fixed surface is gradually increased, and the distance between the second bearing surface (4523) and the fixed surface is gradually decreased;

wherein, when the cleaning device (20) is matched with the charging seat, the main body (21) is supported on the first bearing surface (4521).

5. The cleaning system of claim 4, wherein the charging stand body further comprises a stopper (454), the stopper (454) being configured to prevent the cleaning device (20) from moving toward the base (41).

6. The cleaning system of claim 5, wherein the stopper (454) protrudes from the first bearing surface (4521).

7. The cleaning system of claim 6, wherein the main body (21) comprises a walking wheel (23), and when the cleaning device (20) is coupled to the charging seat, the walking wheel (23) is located at a side of the stopper (454) away from the base (41), and abuts against the stopper (454) in the first direction.

8. The cleaning system of claim 1, wherein the cleaning device (20) is a mopping robot or a sweeping and mopping integrated robot.

9. A charging dock for mating with a cleaning device (20), the charging dock comprising a charging dock body and a charging electrode (47) disposed on the charging dock body, the charging dock body comprising:

a base (41), wherein the charging electrode (47) is arranged on the base (41);

an auxiliary base (45) provided on one side of the base (41) in the first direction; the auxiliary base (45) comprises a fixing surface and a bearing surface (452) which are arranged oppositely, and the bearing surface (452) comprises a first bearing surface (4521) and a second bearing surface (4523) which are adjacent to each other in the first direction; in the direction from the base (41) to the auxiliary base (45), the distance between the first bearing surface (4521) and the fixed surface is gradually increased, and the distance between the second bearing surface (4523) and the fixed surface is gradually decreased.

10. The charging stand according to claim 9, wherein the base (41) further comprises a stopper (454), and the stopper (454) protrudes from the first supporting surface (4521).

11. The charging stand according to claim 10, wherein there are two stoppers (454), and two stoppers (454) are disposed at intervals in a direction perpendicular to the first direction.